/* ===================================
   Component Styles
   =================================== */

/* Header Component - 头部导航组件 */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(8px);
    background-color: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0);
}

/* 滚动时的固定导航栏样式 */
.header--scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-bottom-color: rgba(222, 226, 230, 0.8);
}

@media (max-width: 767px) {
    .header--scrolled {
        box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
    }
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

/* Logo Component - Logo 组件 */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
    color: var(--primary-color);
}

.logo__icon {
    font-size: var(--font-size-xl);
}

.logo__image {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.logo__text {
    display: none;
}

@media (min-width: 640px) {
    .logo__text {
        display: block;
    }
}

/* Search Component - 搜索组件 */
.search {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search__input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-md);
    padding-right: 3rem;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    background-color: var(--bg-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.search__input:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.1);
}

.search__button {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    padding: var(--spacing-xs);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.search__button:hover {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.search__icon {
    display: block;
}

/* 大尺寸搜索框变体 */
.search--large {
    max-width: 600px;
}

.search__input--large {
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    padding-right: 4rem;
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.search__button--large {
    right: var(--spacing-md);
    padding: var(--spacing-sm);
}

/* Navigation Menu - 导航菜单 */
.nav__menu {
    display: none;
}

@media (min-width: 768px) {
    .nav__menu {
        display: block;
        position: static;
        transform: none;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        border: none;
        padding: 0;
    }
}

.menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
    align-items: center;
    white-space: nowrap;
}

@media (max-width: 1200px) {
    .menu {
        gap: var(--spacing-sm);
    }
    
    .menu__link {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

@media (max-width: 1000px) {
    .menu {
        gap: var(--spacing-xs);
    }
    
    .menu__link {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* Dropdown Navigation */
.menu__item--dropdown {
    position: relative;
}

.menu__dropdown-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.menu__dropdown-toggle:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.menu__dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-sm) 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.menu__item--dropdown:hover .menu__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu__dropdown-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu__dropdown-item {
    margin: 0;
}

.menu__dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.menu__dropdown-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.menu__link {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.menu__link:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
    text-decoration: none;
}

/* Mobile Menu Toggle - 移动端菜单切换 */
.nav__toggle {
    display: block;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background-color: white;
    border: 1px solid #e5e7eb;
    transition: all var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    min-width: 38px;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__toggle:hover {
    color: var(--primary-color);
    background-color: #f9fafb;
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav__toggle:active {
    transform: scale(0.95);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
}

/* Hamburger Menu Icon - 汉堡菜单图标 */
.hamburger {
    width: 18px;
    height: 14px;
    position: relative;
    cursor: pointer;
}

.hamburger::before,
.hamburger::after,
.hamburger {
    background: currentColor;
    border-radius: 1px;
    height: 2px;
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    left: 0;
}

.hamburger::before {
    top: 0;
}

.hamburger::after {
    bottom: 0;
}

/* Active hamburger animation */
.hamburger--active {
    background: transparent;
}

.hamburger--active::before {
    transform: rotate(45deg) translate(3px, 3px);
}

.hamburger--active::after {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Mobile Menu Styles - 移动端菜单样式 */
@media (max-width: 767px) {
    .nav__menu {
        visibility: hidden;
        opacity: 0;
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 280px;
        height: 100vh;
        background: white;
        transition: all 0.3s ease;
        z-index: var(--z-modal);
        overflow-y: auto;
        padding: var(--spacing-lg) var(--spacing-md);
        display: flex;
        flex-direction: column;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
        border-left: 1px solid #e5e7eb;
        -webkit-overflow-scrolling: touch;
    }

    .nav__menu--open {
        visibility: visible;
        opacity: 1;
        right: 0;
    }

    .menu {
        flex-direction: column;
        gap: 2px;
        margin-top: var(--spacing-lg);
    }

    .menu__item {
        opacity: 0;
        transform: translateX(15px);
        animation: slideInRight 0.3s ease forwards;
        border-radius: var(--radius-sm);
    }

    .menu__item:nth-child(1) { animation-delay: 0.05s; }
    .menu__item:nth-child(2) { animation-delay: 0.1s; }
    .menu__item:nth-child(3) { animation-delay: 0.15s; }
    .menu__item:nth-child(4) { animation-delay: 0.2s; }
    .menu__item:nth-child(5) { animation-delay: 0.25s; }
    .menu__item:nth-child(6) { animation-delay: 0.3s; }
    .menu__item:nth-child(7) { animation-delay: 0.35s; }
    .menu__item:nth-child(8) { animation-delay: 0.4s; }
    .menu__item:nth-child(9) { animation-delay: 0.45s; }

    /* Hide dropdown toggle on mobile */
    .menu__item--dropdown .menu__dropdown-toggle {
        display: none;
    }

    /* Show dropdown items directly in mobile menu */
    .menu__item--dropdown .menu__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
        min-width: auto;
    }

    .menu__dropdown-list {
        display: contents;
    }

    .menu__dropdown-item {
        opacity: 0;
        transform: translateX(15px);
        animation: slideInRight 0.3s ease forwards;
        border-radius: var(--radius-sm);
    }

    .menu__dropdown-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-base);
        font-weight: 500;
        color: var(--text-primary);
        background-color: transparent;
        border-radius: var(--radius-sm);
        transition: all 0.2s ease;
        position: relative;
        -webkit-tap-highlight-color: transparent;
        border-left: 3px solid transparent;
    }

    .menu__link,
    .menu__dropdown-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-base);
        font-weight: 500;
        color: var(--text-primary);
        background-color: transparent;
        border-radius: var(--radius-sm);
        transition: all 0.2s ease;
        position: relative;
        -webkit-tap-highlight-color: transparent;
        border-left: 3px solid transparent;
    }

    .menu__link:hover,
    .menu__link:active,
    .menu__dropdown-link:hover,
    .menu__dropdown-link:active {
        background-color: #f8fafc;
        color: var(--primary-color);
        border-left-color: var(--primary-color);
        transform: translateX(4px);
    }

    /* Mobile menu close button */
    .nav__menu--open::before {
        content: '×';
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 32px;
        height: 32px;
        background: #f3f4f6;
        border: 1px solid #e5e7eb;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: normal;
        color: var(--text-secondary);
        cursor: pointer;
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: transparent;
        z-index: 10;
    }

    .nav__menu--open::before:hover,
    .nav__menu--open::before:active {
        background: #e5e7eb;
        color: var(--text-primary);
        transform: scale(0.95);
    }

    /* 移动端菜单背景遮罩 */
    .nav__menu--open::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        z-index: -1;
        animation: fadeIn 0.3s ease-out;
    }
}

/* 从右侧滑入动画 */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(15px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 简单淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 移动端触摸优化 */
@media (max-width: 767px) {
    /* 确保汉堡菜单尺寸适中 */
    .hamburger {
        width: 16px;
        height: 12px;
    }
    
    /* 移动端Logo优化 */
    .logo {
        -webkit-tap-highlight-color: transparent;
    }
    
    .logo__text {
        display: none;
    }
}

/* 移动端通用优化 */
@media (max-width: 767px) {
    /* 优化容器内边距 */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    /* 头部高度优化 */
    .header {
        min-height: 60px;
    }
    
    .nav {
        padding: var(--spacing-sm) 0;
    }
    
    /* 按钮最小尺寸，符合触摸标准 */
    .btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-lg);
        -webkit-tap-highlight-color: rgba(255, 0, 80, 0.1);
    }
    
    /* 表单元素优化 */
    input, textarea, select, button {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    /* 搜索框移动端优化 */
    .search__input {
        font-size: 16px;
        min-height: 44px;
    }
    
    /* 卡片间距优化 */
    .emoji-grid {
        gap: var(--spacing-md);
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* 移动端字体大小调整 */
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__description {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-md);
    }
}

/* 小屏手机优化 (320px - 480px) */
@media (max-width: 480px) {
    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .emoji-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
}

/* Hero Section - 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-inverse);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    color: var(--text-inverse);
}

.hero__description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.9);
}

.hero__search {
    margin-bottom: var(--spacing-3xl);
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

/* Stats Component - 统计组件 */
.stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stats__item {
    text-align: center;
}

.stats__number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
}

.stats__label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Header - 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-header__description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Popular Emojis Section - 热门表情符号区域 */
.popular-emojis {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.emoji-grid__loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-secondary);
}


/* Categories Section - 分类区域 */
.categories {
    padding: var(--spacing-3xl) 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

/* Category Card - 分类卡片 */
.category-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.category-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.category-card__description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.category-card__stats {
    margin-bottom: var(--spacing-lg);
}

.category-card__count {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.category-card__link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.category-card__link:hover {
    background-color: var(--primary-hover);
    color: var(--text-inverse);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Features Section - 功能特性区域 */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

/* Feature Card - 功能卡片 */
.feature-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card__description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Footer - 页脚 */
.footer {
    background-color: #2c3e50;
    color: var(--text-inverse);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-inverse);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-relaxed);
}

.footer__subtitle {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-inverse);
}

.footer__links {
    list-style: none;
    padding: 0;
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--text-inverse);
    text-decoration: none;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Button Component - 按钮组件 */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

.btn--primary {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.btn--primary:hover {
    background-color: var(--primary-hover);
    color: var(--text-inverse);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn--secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn--secondary:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
    border-color: var(--border-primary);
}

.btn--accent {
    background-color: #8B5CF6;
    color: var(--text-inverse);
    border: 1px solid #7C3AED;
}

.btn--accent:hover {
    background-color: #7C3AED;
    color: var(--text-inverse);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
    border-color: #6D28D9;
}

/* Toast Notification - 提示通知 */
.toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-md);
    z-index: var(--z-toast);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toast__message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.toast__close {
    padding: var(--spacing-xs);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toast__close:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* Back to Top Button - 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-medium);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* Section Footer - 区块页脚 */
.section-footer {
    text-align: center;
}

/* Responsive Design - 响应式设计 */
@media (max-width: 768px) {
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__description {
        font-size: var(--font-size-base);
    }
    
    .hero__stats {
        gap: var(--spacing-lg);
    }
    
    .stats {
        gap: var(--spacing-lg);
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .section-header__title {
        font-size: var(--font-size-2xl);
    }
    
    .emoji-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

/* ===================================
   Emoji Detail Page Styles
   =================================== */

/* Breadcrumb Navigation - 面包屑导航 */
.breadcrumb {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
}

.breadcrumb__link {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb__link:hover {
    color: #FF0050;
    background-color: var(--bg-primary);
    text-decoration: none;
}

.breadcrumb__separator {
    color: var(--text-muted);
    font-weight: var(--font-weight-normal);
    margin: 0 var(--spacing-xs);
    user-select: none;
}

.breadcrumb__current {
    color: white;
    font-weight: var(--font-weight-semibold);
    background-color: #FF0050;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-transform: capitalize;
    box-shadow: 0 2px 4px rgba(255, 0, 80, 0.2);
}

/* Breadcrumb Icons - 面包屑图标 (已移除) */

/* Responsive breadcrumb - 响应式面包屑导航 */
@media (max-width: 768px) {
    .breadcrumb {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-xs);
    }
    
    .breadcrumb__link,
    .breadcrumb__current {
        padding: 2px var(--spacing-xs);
    }
    
    .breadcrumb__separator {
        margin: 0 2px;
    }
}

/* Emoji Detail Section - 表情符号详情区域 */
.emoji-detail {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    min-height: 60vh;
}

.emoji-detail__wrapper {
    display: grid;
    grid-template-columns: 160px 1fr 160px;
    gap: var(--spacing-xl);
    align-items: start;
    margin-bottom: var(--spacing-3xl);
}

.emoji-detail__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Ad Spaces - 广告位 */
.ad-space {
    min-height: 600px;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-align: center;
    position: sticky;
    top: calc(var(--spacing-3xl) + 60px);
    transition: all var(--transition-normal);
}

.ad-space:hover {
    border-color: var(--border-primary);
    background-color: var(--bg-tertiary);
}

.ad-space--left {
    justify-self: end;
}

.ad-space--right {
    justify-self: start;
}

.ad-space__placeholder {
    padding: var(--spacing-lg);
    max-width: 140px;
}

/* Responsive Ad Layout - 响应式广告布局 */
@media (max-width: 1200px) {
    .emoji-detail__wrapper {
        grid-template-columns: 120px 1fr 120px;
        gap: var(--spacing-md);
    }
    
    .ad-space {
        min-height: 500px;
        width: 120px;
    }
    
    .ad-space__placeholder {
        font-size: var(--font-size-xs);
        padding: var(--spacing-md);
        max-width: 100px;
    }
}

@media (max-width: 992px) {
    .emoji-detail__wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .emoji-detail__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .ad-space {
        display: none;
    }
    
    /* Mobile banner ads - 移动端横幅广告 */
    .ad-banner {
        display: block;
        width: 100%;
        height: 100px;
        background-color: var(--bg-secondary);
        border: 2px dashed var(--border-secondary);
        border-radius: var(--radius-lg);
        margin: var(--spacing-xl) 0;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .emoji-detail__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .ad-banner {
        height: 80px;
        margin: var(--spacing-lg) 0;
    }
}

/* Emoji Display Component - 表情符号展示组件 */
.emoji-display {
    text-align: center;
    background-color: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-primary);
}

.emoji-display__image {
    margin-bottom: var(--spacing-xl);
}

.emoji-large {
    font-size: 8rem;
    line-height: 1;
    display: block;
}

.emoji-display__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.emoji-display__shortcode {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background-color: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    display: inline-block;
    margin-bottom: var(--spacing-2xl);
    border: 1px solid var(--border-secondary);
}

/* Action Buttons - 操作按钮 */
.emoji-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.emoji-actions .btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 120px;
    justify-content: center;
    font-weight: var(--font-weight-medium);
}

.emoji-actions .btn svg {
    width: 18px;
    height: 18px;
}

/* Download Group Component */
.download-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--bg-primary);
}

.size-selector {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 90px;
}

.size-selector:focus {
    outline: none;
    background-color: var(--bg-tertiary);
}

.size-selector:hover {
    background-color: var(--bg-tertiary);
}

.emoji-download-sized {
    border: none;
    border-radius: 0;
    margin: 0;
    min-width: auto;
}

.emoji-download-sized:hover {
    border-radius: 0;
}

/* Copy animation */
.emoji-copy.copied {
    background-color: var(--border-success);
    transform: scale(0.95);
}

/* Download button states */
.emoji-download.downloading,
.emoji-download.opening,
.emoji-download-sized.downloading,
.emoji-download-sized.opening {
    opacity: 0.7;
    pointer-events: none;
}

.emoji-download.downloaded--success,
.emoji-download.opened--success,
.emoji-download-sized.downloaded--success,
.emoji-download-sized.opened--success {
    background-color: var(--border-success);
    color: var(--text-inverse);
}

.emoji-download.downloaded--error,
.emoji-download.opened--error,
.emoji-download-sized.downloaded--error,
.emoji-download-sized.opened--error {
    background-color: var(--border-error);
    color: var(--text-inverse);
}

/* Emoji Information - 表情符号信息 */
.emoji-info {
    background-color: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-primary);
}

.emoji-info__section {
    margin-bottom: var(--spacing-2xl);
}

.emoji-info__section:last-child {
    margin-bottom: 0;
}

.emoji-info__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.emoji-info__subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.emoji-info__description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
}

.emoji-info__examples {
    list-style: none;
    padding: 0;
    margin: 0;
}

.emoji-info__examples li {
    background-color: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-left: 3px solid var(--primary-color);
}

.emoji-info__examples li:last-child {
    margin-bottom: 0;
}

.emoji-info__platforms {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--secondary-color);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.emoji-info__platforms code {
    background-color: var(--bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    border: 1px solid var(--border-secondary);
}

/* Tags Component - 标签组件 */
.emoji-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: lowercase;
}

/* Related Emojis Section - 相关表情符号区域 */
.related-emojis {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.related-emojis .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
}

.related-emojis__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Compact Emoji Grid - 紧凑表情符号网格 */
.emoji-grid--compact {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

/* Compact grid tablet responsive */
@media (max-width: 1024px) {
    .emoji-grid--compact {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Emoji Card Component - 表情符号卡片组件 */
.emoji-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: block;
    position: relative;
    overflow: hidden;
}

/* Emoji Images - 表情符号图片 */
.emoji-card__emoji img,
.emoji-display__image img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}


.emoji-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.emoji-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
    text-decoration: none;
}

.emoji-card:hover::before {
    transform: scaleX(1);
}

.emoji-card__content {
    position: relative;
}

.emoji-card__emoji {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
    line-height: 1;
}

.emoji-card__info {
    margin-bottom: var(--spacing-md);
}

.emoji-card__name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.emoji-card__shortcode {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.emoji-card__actions {
    display: flex;
    justify-content: center;
}

.emoji-card__copy {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.emoji-card__copy:hover {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

/* Small Emoji Card Variant - 小尺寸表情符号卡片变体 */
.emoji-card--small {
    padding: var(--spacing-md);
}

.emoji-card--small .emoji-card__emoji {
    font-size: 2rem;
}

.emoji-card--small .emoji-card__emoji img {
    width: 48px;
    height: 48px;
}

.emoji-card--small .emoji-card__name {
    font-size: var(--font-size-sm);
}

.emoji-card--small .emoji-card__shortcode {
    font-size: var(--font-size-xs);
}

/* Responsive Adjustments - 响应式调整 */
@media (max-width: 768px) {
    .emoji-large {
        font-size: 6rem;
    }
    
    .emoji-display {
        padding: var(--spacing-2xl);
    }
    
    .emoji-display__title {
        font-size: var(--font-size-2xl);
    }
    
    .emoji-info {
        padding: var(--spacing-lg);
    }
    
    .emoji-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .emoji-actions .btn {
        min-width: 200px;
    }
    
    .emoji-grid--compact {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .emoji-large {
        font-size: 5rem;
    }
    
    .emoji-display__title {
        font-size: var(--font-size-xl);
    }
    
    .emoji-info__title {
        font-size: var(--font-size-xl);
    }
    
    .related-emojis__title {
        font-size: var(--font-size-xl);
    }
    
    .emoji-grid--compact {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .emoji-card--small .emoji-card__emoji {
        font-size: 1.5rem;
    }
    
    .emoji-card--small .emoji-card__emoji img {
        width: 32px;
        height: 32px;
    }
}

/* ===================================
   Blog Components - Enhanced UX
   =================================== */

/* Page Header with Enhanced Styling */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.03) 0%, rgba(80, 200, 120, 0.03) 100%);
    border-radius: var(--border-radius-lg);
}


.page-header__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.page-header__description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.9;
}

/* Blog Grid with Staggered Animation */
.blog-list {
    padding: var(--spacing-xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

/* Enhanced Blog Card */
.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #ff0050;
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.blog-card:hover::before {
    transform: scaleX(1);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 0, 80, 0.12);
    border-color: #ff0050;
}

.blog-card:nth-child(even) {
    animation-delay: 0.1s;
}

.blog-card:nth-child(3n) {
    animation-delay: 0.2s;
}

.blog-card__content {
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

/* Enhanced Meta Section */
.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.blog-card__date {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-card__date::before {
    content: '📅';
    font-size: 14px;
    opacity: 0.7;
}

.blog-card__category {
    background: #ff0050;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 15px;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

.blog-card:hover .blog-card__category {
    background: #e6004c;
}

/* Enhanced Title */
.blog-card__title {
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    position: relative;
}

.blog-card__link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.blog-card:hover .blog-card__link {
    color: #ff0050;
}

/* Enhanced Excerpt */
.blog-card__excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    flex: 1;
    font-size: var(--font-size-base);
    opacity: 0.9;
}

/* Enhanced Footer */
.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    margin-top: auto;
}

.blog-card__read-time {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-card__read-time::before {
    content: '⏱️';
    font-size: 14px;
    opacity: 0.7;
}

.blog-card__read-more {
    color: #ff0050;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    transition: all 0.2s ease;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    background: rgba(255, 0, 80, 0.08);
}

.blog-card__read-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.blog-card:hover .blog-card__read-more::before {
    left: 100%;
}

.blog-card__read-more:hover {
    background: #FF0050;
    color: white;
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(255, 0, 80, 0.3);
}

/* Category-specific colors - Simple red variations */
.blog-card__category[data-category="Tutorial"] {
    background-color: #ff0050;
    color: white;
}

.blog-card__category[data-category="Meanings"] {
    background-color: #e6004c;
    color: white;
}

.blog-card__category[data-category="Compatibility"] {
    background-color: #ff1a5c;
    color: white;
}

.blog-card__category[data-category="Advanced"] {
    background-color: #cc0040;
    color: white;
}

/* ===================================
   Blog Article Detail Page Styles
   =================================== */

.blog-article {
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
    background-color: #f8f9fa;
}

.blog-article__wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: relative;
}

.blog-article__wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: #ff0050;
}

/* Article Header */
.blog-article__header {
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-xl);
    background-color: #ff0050;
    color: white;
    border-bottom: 1px solid rgba(255, 0, 80, 0.2);
    text-align: center;
}

.blog-article__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.blog-article__meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.blog-article__date,
.blog-article__read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.blog-article__date::before {
    content: '📅';
    font-size: 14px;
}

.blog-article__read-time::before {
    content: '⏱️';
    font-size: 14px;
}

.blog-article__category {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 1rem;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Article Content */
.blog-article__content {
    padding: var(--spacing-xl);
    line-height: 1.8;
}

.blog-article__intro {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-style: italic;
    padding: var(--spacing-lg);
    background-color: rgba(255, 0, 80, 0.05);
    border-left: 4px solid #ff0050;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.blog-article__intro::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 3rem;
    color: #FF0050;
    opacity: 0.3;
    font-family: serif;
}

.blog-article__content h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.blog-article__content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #ff0050;
    border-radius: 2px;
}

.blog-article__content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    position: relative;
    padding-left: var(--spacing-md);
}

.blog-article__content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background-color: #ff0050;
    border-radius: 2px;
}

.blog-article__content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: #FF0050;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.blog-article__content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.blog-article__content ul,
.blog-article__content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.blog-article__content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.7;
}

.blog-article__content li strong {
    color: #FF0050;
    font-weight: var(--font-weight-semibold);
}

.blog-article__content a {
    color: #FF0050;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
    position: relative;
}

.blog-article__content a:hover {
    color: #25F4EE;
}

.blog-article__content a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -1px;
    left: 0;
    background: linear-gradient(90deg, #FF0050, #25F4EE);
    transition: width 0.3s ease;
}

.blog-article__content a:hover::after {
    width: 100%;
}

/* Enhanced Lists */
.blog-article__content ul li::before {
    content: '▸';
    color: #25F4EE;
    font-weight: bold;
    position: absolute;
    left: -20px;
}

.blog-article__content ul li {
    position: relative;
}

.blog-article__content ol li {
    counter-increment: item;
    position: relative;
}

.blog-article__content ol li::before {
    content: counter(item);
    background-color: #ff0050;
    color: white;
    font-weight: bold;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: -40px;
    top: 0;
    font-size: var(--font-size-xs);
}

.blog-article__content ol {
    counter-reset: item;
    padding-left: var(--spacing-2xl);
}

/* Article Footer */
.blog-article__footer {
    padding: var(--spacing-xl);
    border-top: 1px solid rgba(255, 0, 80, 0.1);
    background-color: rgba(255, 0, 80, 0.02);
}

.blog-article__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.blog-article__tag {
    background-color: #ff0050;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 1rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: background-color 0.2s ease;
}

.blog-article__tag:hover {
    background-color: #e6004c;
}

.blog-article__share {
    text-align: center;
}

.blog-article__share h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

/* Responsive Design for Blog Articles */
@media (max-width: 768px) {
    .blog-article__wrapper {
        margin: 0 var(--spacing-md);
        border-radius: var(--border-radius);
    }
    
    .blog-article__header,
    .blog-article__content,
    .blog-article__footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .blog-article__title {
        font-size: var(--font-size-2xl);
        line-height: 1.3;
    }
    
    .blog-article__meta {
        gap: var(--spacing-md);
    }
    
    .blog-article__content h2 {
        font-size: var(--font-size-xl);
    }
    
    .blog-article__content h3 {
        font-size: var(--font-size-lg);
    }
    
    .blog-article__content ol {
        padding-left: var(--spacing-lg);
    }
    
    .blog-article__content ol li::before {
        left: -30px;
        width: 20px;
        height: 20px;
    }
    
    .blog-article__tags {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .blog-article__wrapper {
        margin: 0 var(--spacing-sm);
    }
    
    .blog-article__title {
        font-size: var(--font-size-xl);
    }
    
    .blog-article__meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .blog-article__content {
        font-size: var(--font-size-sm);
    }
}

/* Page Load Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Apply animations to elements */
.page-header {
    animation: fadeInUp 0.8s ease-out;
}

.blog-card {
    animation: fadeInUp 0.6s ease-out both;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }

/* Loading State */
.blog-card--loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Hover Effects for Interactive Elements */
.blog-card__link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.blog-card:hover .blog-card__link::after {
    width: 100%;
}

/* Focus States for Accessibility */
.blog-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.blog-card__link:focus {
    outline: none;
    background-position: 0 0;
}

.blog-card__read-more:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Additional Visual Enhancements */
.blog-card__content::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, transparent 50%, rgba(74, 144, 226, 0.05) 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-card:hover .blog-card__content::before {
    opacity: 1;
}

/* Text Selection Styling */
::selection {
    background: rgba(74, 144, 226, 0.2);
    color: var(--text-primary);
}

/* Improved link hover states */
.blog-card__read-more::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card__read-more::after {
    transform: translateX(4px);
}

/* Blog Responsive Design */
@media (max-width: 768px) {
    .page-header {
        padding: var(--spacing-lg) 0;
    }
    
    .page-header__title {
        font-size: var(--font-size-2xl);
    }
    
    .page-header__description {
        font-size: var(--font-size-base);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }
    
    .blog-card__content {
        padding: var(--spacing-md);
    }
    
    .blog-card__link {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .blog-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .blog-card__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

/* ==========================================================================
   Article Specific Styles - Psychology Article
   文章专用样式 - 心理学文章
   ========================================================================== */

.article {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: var(--spacing-2xl);
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.article-category {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
}

.article-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.article-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.4;
}

.article-content {
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.content-section {
    margin-bottom: var(--spacing-2xl);
}

.lead-paragraph {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
}

.highlight-box {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
    border: 1px solid #d1e7dd;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.highlight-box h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.content-list {
    margin: var(--spacing-lg) 0;
    padding-left: 0;
    list-style: none;
}

.content-list li {
    position: relative;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-xl);
}

.content-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.content-quote {
    background: #f8f9fa;
    border-left: 4px solid var(--secondary-color);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    font-size: var(--font-size-lg);
}

.content-quote cite {
    display: block;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-style: normal;
    font-weight: var(--font-weight-medium);
}

.emoji-psychology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.psychology-card {
    background: white;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.psychology-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.card-emoji {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.psychology-card h3 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.formula-box {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 2px solid #ffeaa7;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.formula-box h3 {
    font-size: var(--font-size-xl);
    color: #856404;
    font-weight: var(--font-weight-bold);
}

.strategy-list {
    background: #e8f5e8;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.demographic-analysis {
    background: #f8f9fa;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.demographic-analysis h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.metric-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.metric-card h4 {
    color: #1565c0;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.ethics-list {
    background: #fff3cd;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.future-list {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.key-takeaways {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.key-takeaways h3 {
    color: #155724;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.key-takeaways ol {
    margin: 0;
    padding-left: var(--spacing-xl);
}

.key-takeaways li {
    margin-bottom: var(--spacing-sm);
    color: #155724;
    font-weight: var(--font-weight-medium);
}

.article-footer {
    border-top: 2px solid var(--border-primary);
    padding-top: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.article-tags h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.article-tags .tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.article-share {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.share-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background 0.3s ease;
}

.share-btn:hover {
    background: #00d4d4;
}

.related-articles {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.related-articles h2 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-2xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.related-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-primary);
    transition: transform 0.3s ease;
}

.related-card:hover {
    transform: translateY(-2px);
}

.related-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.related-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.related-card a:hover {
    text-decoration: underline;
}

.related-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Responsive Design for Article */
@media (max-width: 768px) {
    .article {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .article-title {
        font-size: var(--font-size-2xl);
    }
    
    .article-meta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .emoji-psychology-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* Collection Section Titles - 集合分类标题 */
.collection-section-title {
    grid-column: 1 / -1;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
    text-align: left;
}

/* Responsive design for collection section titles */
@media (max-width: 768px) {
    .collection-section-title {
        font-size: var(--font-size-lg);
        margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    .collection-section-title {
        font-size: var(--font-size-base);
        margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    }
}